The peptide library

Find the right peptide for your goals.

Every option is reviewed by a licensed clinician before it's prescribed. Browse by goal, then start a visit — we'll handle the rest.

Clinician reviewed Third-party tested Discreet delivery Cancel anytime

Our focus products.

10 products
Weight Promise Tirzepatide vial

Tirzepatide

Weight management

Dual-action GLP-1 / GIP for appetite and weight.

$279 / moStart visit
Weight Promise Semaglutide vial

Semaglutide

Weight management

GLP-1 support for appetite and weight goals.

$229 / moStart visit
Weight Promise peptide vial

Metformin

Metabolic support

Insulin-sensitizing support for metabolic health.

$89 / moStart visit
Longevity Promise peptide vial

Sermorelin

GH support

GH secretagogue for sleep, recovery, and vitality.

$149 / moStart visit
Longevity Promise peptide vial

NAD+

Cellular energy

Cellular energy, repair, and healthy aging.

$199 / moStart visit
Wellness Promise peptide vial

Glutathione

Antioxidant

Master antioxidant for detox and skin radiance.

$119 / moStart visit
Wellness Promise peptide vial

MIC + B12

Energy & metabolism

Lipotropic blend for energy and fat metabolism.

$99 / moStart visit
Wellness Promise peptide vial

Oxytocin

Mood & connection

Supports mood, calm, and connection.

$109 / moStart visit
Sexual health Promise peptide vial

PT-141

Libido support

Bremelanotide — studied for libido and desire.

$129 / moStart visit
Sexual health Promise peptide vial

Kisspeptin

Libido support

Hormone-axis support for libido and vitality.

$139 / moStart visit
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Prescribed responsibly. Delivered with care.

Peptides on Promise are prescription products — here's how we keep it safe.

Reviewed by a clinician

A licensed provider evaluates your intake and prescribes only when it's appropriate for you.

Quality you can verify

Every peptide is compounded by licensed pharmacies and third-party tested for purity.

Discreet, cold-chain shipping

Temperature-safe packaging arrives quickly and discreetly at your door.

Not sure where to start?

Let a clinician help you choose.

Tell us your goals in a short intake. A licensed provider will recommend the right protocol — or let you know if peptides aren't the right fit.